when you hear law enforcement put out the warnings that say if you don't have to go on the roads, don't go on the roads. if you don't have to be out, if you don't have to be traveling, stay home and enjoy the holidays. >> good advice right now. >>> that same storm system dumped several feet of snow on california over the weekend, causing avalanches. and now a second person was -- has died. bill foster was buried yesterday about eight minutes after the intentionally started avalanche got out of hand. a snowboarder in another resort also died in a separate avalanche. the area got several feet of snow over the weekend cretuat g cretuating -- creating those dangerous conditions. >>> our more major story this morning, some disturbing details about the christmas eve killings of two firefighters in rochester, new york. they are included in a letter typed by the hiller allegedly on a typewriter and found by police. >> reporter: the trap that killed two firefighters and injured three other first responders was set by this man, convicted felon william spangler. he may have also killed his sister.